Twin.
http://www.freebmd.org.uk/cgi/information.pl?r=60293239:8585&d=bmd_1445847588
"England and Wales Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QK6R-SKBM : accessed 6 November 2015), Percy John Lucas in household of Thomas H D Lucas, St Pancras, London,Middlesex, England; from "1881 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 11, Piece/Folio 197/9, The National Archives, Kew, Surrey; FHL microfilm 101,774,357.
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